1 /* 2 * This file is subject to the terms and conditions of the GNU General Public 3 * License. See the file "COPYING" in the main directory of this archive 4 * for more details. 5 * Copyright (C) 2000-2004 Silicon Graphics, Inc. All rights reserved. 6 */ 7 #ifndef _ASM_IA64_SN_LEDS_H 8 #define _ASM_IA64_SN_LEDS_H 9 10 #include <asm/sn/addrs.h> 11 #include <asm/sn/pda.h> 12 #include <asm/sn/shub_mmr.h> 13 14 #define LED0 (LOCAL_MMR_ADDR(SH_REAL_JUNK_BUS_LED0)) 15 #define LED_CPU_SHIFT 16 16 17 #define LED_CPU_HEARTBEAT 0x01 18 #define LED_CPU_ACTIVITY 0x02 19 #define LED_ALWAYS_SET 0x00 20 21 /* 22 * Basic macros for flashing the LEDS on an SGI SN. 23 */ 24 25 static __inline__ void set_led_bits(u8 value,u8 mask)26set_led_bits(u8 value, u8 mask) 27 { 28 pda->led_state = (pda->led_state & ~mask) | (value & mask); 29 *pda->led_address = (short) pda->led_state; 30 } 31 32 #endif /* _ASM_IA64_SN_LEDS_H */ 33 34